package cn.usersmsg.filter;

import java.io.IOException;

import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

import cn.usersmsg.model.User;

public class AdminLoginFliter implements Filter {


	public void destroy() {

	}

	public void doFilter(ServletRequest request, ServletResponse response,
			FilterChain fc) throws IOException, ServletException {
		HttpServletRequest req = (HttpServletRequest)request;
		HttpServletResponse resp = (HttpServletResponse)response;
		HttpSession session = req.getSession();
		User admin = (User)session.getAttribute("admin");		
		if (admin!=null) {
			fc.doFilter(req, resp);
		}else{
			resp.sendRedirect(req.getContextPath()+"/adminLogin.jsp");
		}
	}

	public void init(FilterConfig arg0) throws ServletException {

	}

}
